package top.jacktgq.hsp.nio.selector;

import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.SocketChannel;

/**
 * @Author CandyWall
 * @Date 2020/11/11--17:20
 * @Description
 */
public class NIOClient {
    public static void main(String[] args) throws Exception {
        //得到一个网络通道
        SocketChannel socketChannel = SocketChannel.open();

        //设置非阻塞
        socketChannel.configureBlocking(false);

        //提供服务器端的IP和端口
        InetSocketAddress inetSocketAddress = new InetSocketAddress("127.0.0.1", 6666);

        //连接服务器
        if (!socketChannel.connect(inetSocketAddress)) {
            while (!socketChannel.finishConnect()) {
                System.out.println("因为连接需要时间，客户端不会阻塞，可以做其他工作...");
            }
        }

        //如果连接成功，就发数据
        String str = "自然选择，前进四";
        ByteBuffer buffer = ByteBuffer.wrap(str.getBytes());

        //发送数据，将buffer中的数据写入到socketChannel中
        socketChannel.write(buffer);

        System.in.read();
    }
}
